Page 540 - 2021-22 Auto Performance_Circle Track
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SB Chevy 4340 Forged Steel IMCA-Legal Crankshaft MAN190310
Premium-quality 4340 forged steel crankshaft is a non-twist forging acceptable for use in popular IMCA Hobby Stock and Sport Mod classes. Designed for popular small Chevy internal- ly balanced engines with a 3.480" stroke and two-piece rear main seal, this lightweight crankshaft has been heat-treated, also features micro-polished, large-radius journals and requires narrowed rod bearings.
Rod Main Rod
Application Stroke Length Journal Journal Weight
Notes: Crankshaft is for internally balanced, 2-piece rear main seal applica- tions and requires narrowed, high-performance rod bearings. Two center rod journals are not gun drilled.
SB Chevy Sportmaster® Connecting Rods
Rods are CNC-machined from quality 4340 forgings. Held to exacting tolerances for bore size, taper, and piece. After machining, the entire rod, including the bolt pad, is shot-peened for durability. ARP8740
3/8" dia. cap screws (190,000 PSI) are used exclu-
sively, as are premium Ampco 18 bushings in the
pin end. Shipped in weight-matched (±1.5 grams)
sets of 8 only. Perfect for Pro Stock, Late Model, and Sportsman racers with engines up to 550 horsepower @ 8,000 RPM. Listed rods have a big end width of .940" and a pin end width of .980". Sold in sets of eight.
Part No.
Description
Center-to-Center
Big End Bore
Pin Bore
Gram Weight
MAN14101-8
Stock Length, Large Journal
5.700"
2.225"
.9281"
555
MAN14103-8
.300" Longer, Large Journal
6.000"
2.225"
.9281"
578
SB Chevy, 2-Pc. Rear Main Seal
3.480"
5.700"
2.450"
2.100"
48-50 lbs.
SB Chevy Superior Head Bolts
Extreme-Pressure Lube #3
MAN40177
Primarily used as a fastener lubricant, prod- uct is preferred by many top engine builders. 4-oz. tube.
RS Series Motor Oils
incorporates an industry-leading additive system that provides both maximum performance and increased protection. Advanced formula uses special anti-wear/extreme-pressure additives to provide superior engine protection, even under extreme loads and peak temperatures. Sold in 1-quart bottles or in cases. Not recommended for street use.
High-quality, 180,000 PSI
fasteners are longer than stock
and have an underhead radius
to prevent premature stretch
and failure. Bolts are or use
with MAN42102 head bolt washers. The 1/2" hex head allows greater wrenchability.
Part No.
Semi-Syn Motor Oils
Description
MAN42171
SB Chevy Superior Head Bolts, 17 (Services 1 Cyl. Head)
MAN42102
SB Chevy Head Bolt Washers, Set of 34 (Services 2 Cyl. Heads)
High-performance oil is a complex blend of highly
esters that protects critical engine components beyond conventional oils. Semi-Syn is a fully formulated race oil that is compatible with petro- leum or synthetic engine oils. High-zinc/phos- roller camshaft engines. Sold in 1-quart bottles or in cases.
Description
1-Qt. Bottle
1 Case (12/1-Qt. Bottles
1-Gallon 1 Case
Jug (4/1-Gallon Jugs)
10W-40
MAX39-34901BS
MAX39-34901B
MAX39-349128BS
MAX39-349128B
20W-50
MAX39-35901BS
MAX39-35901B
MAX39-359128BS
MAX39-359128B
Description
1-Qt. Bottle
1 Case (12/1-Qt. Bottles
1-Gallon Jug
1 Case (4/1-Gallon Jugs)
Performance Motor Oils
High-performance petroleum oil is formulated using a technologically advanced additive package that
- leum base stocks. Lubricant resists mechanical breakdown and viscosity loss, while reducing
wear on lifters, cams, and bearings. High-zinc/ - pet or roller camshaft engines. Sold in 1-quart bottles or in cases.
1-Qt. 1 Case 1-Gallon Description Bottle (12/1-Qt. Bottles Jug
0W-10
MAX39-13901S
MAX39-13901
—
—
0W-20
MAX39-14901S
MAX39-14901
—
—
5W-20
MAX39-04901S
MAX39-04901
—
—
5W-30
MAX39-91901S
MAX39-91901
MAX39-919128S
MAX39-919128
10W-30
MAX39-01901S
MAX39-01901
MAX39-019128S
MAX39-019128
10W-40
MAX39-16901S
MAX39-16901
MAX39-169128S
MAX39-169128
15W-50
MAX39-32901S
MAX39-32901
MAX39-329128S
MAX39-329128
1 Case (4/1-Gallon Jugs)
10W-40
MAX39-34901S
MAX39-34901
—
—
20W-50
MAX39-35901S
MAX39-35901
—
MAX39-359128
538 TRACK
CIRCLE 2021-22
